The Kruskal–Wallis test (α=0.05) indicated significant global differences between the methods, although post-hoc Dunn’s tests with Bonferroni correction showed that pairwise differences did not reach statistical significance (p≥0.02).
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Evaluation of radar-based precipitation estimates during a flood event using rain gauge validation.
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The sentences
Notably, while the use of ZDR-based relationships (particularly ZDR3) led to a marked numerical improvement in RMSE and Bias, these results should be interpreted as a strong trend rather than a statistically proven universal relationship.